Gusman, Elvina, Fadila Gusman, and Wirasyid Hafizul Lathief. 2021. “Development Content Learning System in Acid Base Solution Using Flipped Classroom at Senior High School”. INTERNATIONAL JOURNAL OF HIGH INFORMATION, COMPUTERIZATION, ENGINEERING AND APPLIED SCIENCE (JHICE) 1 (01), 46-54. https://doi.org/10.24036/jhice/vol1-iss01/37.